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第二十届全国数据库学术会议

作者： Philipp Obreiter Institute for Program Structures and Data Organisation University of Karlsruhe

As mobile devices become more wide spread,making available software for such devices is crucial for making use of their ***,due to the inherent constraints of mobile devices,it is highly non trivial to do *** for larger software projects,additional support for the development and deployment phase is required. Therefore,in this paper,we propose a system that provides such support,i.e.,the Software *** system's requirements result from the analysis of our project *** the one hand,the development of software components is based upon a version control *** the other hand,a web based interface facilitates the automated yet flexible deployment of software components to the respective mobile devices.

关键词： Software station Version controlled development Web based deployment Web services Mobile environment

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Ubiquitous access to deep content via web services

Ubiquitous access to deep content via web services

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International Conference on Web Engineering, ICWE 2003

作者： Kardkovács, Zsolt Tivadar Surányi, Gábor Mihály Budapest University of Technology and Economics Department of Telecommunications and Telematics Magyar tudósok körútja 2 BudapestH-1117 Hungary University of Karlsruhe Institute for Program Structures and Data Organization Am Fasanengarten 5 KarlsruheD-76128 Germany

ISBN: (纸本)9783540450689

Current research activities in the computer science area focus on integration of systems with diverse purposes and architecture. They include the usage of mobile devices just like any immobile computer and the efficient, combined presentation and utilisation of contents from multiple providers together on the web. Even though these two tasks are naturally tackled in different ways, in this paper we propose a single solution to both problems based on logic, which, furthermore, makes their seamless integration possible. That is, without scrapping the well known models that have proven good, we offer a scalable architecture that supports wireless access to the most valuable pieces of the Internet keeping parts of the existing infrastructure and with no duplication of functionality. © Springer-Verlag Berlin Heidelberg 2003.

关键词： Web services

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Evaluating and enhancing meta-search performance in digital libraries 3

Evaluating and enhancing meta-search performance in digital ...

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3rd International Conference on Web Information Systems Engineering, WISE 2002

作者： Schmitt, B. Oberländer, S. Institute for Program Structures and Data Organization - IPD Computer Science Department University of Karlsruhe Am Fasanengarten 3 KarlsruheD-76128 Germany

ISBN: (纸本)0769517668

Applying meta search systems is a suitable method for supporting the user if there are many different retrieval services available on the Web. Due to information splitting strategies of literature services existing meta search systems either provide minimal integration of results or slow response times. We present an approach that combines techniques of personalization and query processing in order to satisfy the user's demand for both fast and comprehensive results. In order to evaluate and compare different query processing strategies and additional influencing parameters we developed a simulation tool called SIMPSON. Thereby, we can observe the performance of query processing within the context of different response times of the underlying digital library services in the Web, with different kinds of user queries, and with different sizes of query results. To evaluate and compare the performance of different query processing and duplicate detection strategies we developed metrics, particularly with regard to user satisfaction. We present results from our first experiments with SIMPSON, focusing on duplicate detection, query specification, and Web server performance of the underlying digital library services. © 2002 IEEE.

关键词： Digital libraries

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A survey of concurrent object-oriented languages

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Concurrency and Computation: Practice and Experience 2000年第10期12卷

作者： Michael Philippsen University of Karlsruhe Institute for Program Structures and Data Organization Am Fasanengarten 5 D-76128 Karlsruhe Germany

During the last decade object-oriented programming has grown from marginal influence into widespread acceptance. During the same period, progress in hardware and networking has changed the computing environment from sequential to parallel. Multi-processor workstations and clusters are now quite common. Unnumbered proposals have been made to combine both developments. Always the prime objective has been to provide the advantages of object-oriented software design at the increased power of parallel machines. However, combining both concepts has proven to be notoriously difficult. Depending on the approach, often key characteristics of either the object-oriented paradigm or key performance factors of parallelism are sacrificed, resulting in unsatisfactory languages. This survey first recapitulates well-known characteristics of both the object-oriented paradigm and parallel programming, and then marks out the design space of possible combinations by identifying various interdependencies of key concepts. The design space is then filled with data points: for 111 proposed languages we provide brief characteristics and feature tables. Feature tables, the comprehensive bibliography, and web-addresses might help in identifying open questions and preventing re-inventions. Copyright © 2000 John Wiley & Sons, Ltd.

关键词： programming languages object-orientation parallelism concurrency

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Addendum to “Delta Algorithms: An Empirical Analysis”

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ACM Transactions on Software Engineering and Methodology 1998年第4期7卷 449-449页

作者： Hunt, James. J. Tichy, Walter F. Institute for Program Structures and Data Organization University of Karlsruhe Karlsruhe Am Fasanengarten 4 D-76128 Germany

The authors supply machine configurations for experiments reported in “Delta Algorithms: An Empirical Analysis,” by Hunt et al. (ACM Trans. Softw. Eng. Methodol. 7, 2 (Apr. 1998), pp. 192-214). © 1998, ACM. All... 详细信息

关键词： Algorithms Benchmark delta encoding differencing Experimentation Measurement Performance

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Process-Based database Support for the Early Indicator Method 3

Process-Based Database Support for the Early Indicator Metho...

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3rd International Conference on Knowledge Discovery and data Mining, KDD 1997

作者： Breitner, Christoph Schlösser, Jörg Wirth, Rüdiger University of Karlsruhe Institute for Program Structures and Data Organization Karlsruhe76128 Germany Daimler-Benz AG Research and Technology F3S/E P. O. Box 23 60 UlmD-89013 Germany

ISBN: (纸本)1577350278

In Wirth & Reinartz (1996), we introduced the early indicator method, a multi-strategy approach for the efficient prediction of various aspects of the fault profile of a set of cars in a large automotive database. While successful, the initial implementation was limited in various ways. In this paper, we report recent progress focusing on performance gains we achieved through proper process-based database support. We show how intelligent management of the information collected during a KDD process can both make the task of the user easier and speed up the execution. The central idea is to use an object oriented schema as the central information directory to which data, knowledge, and processes can be attached. Furthermore, it enables the automatic exploitation of previously stored results. Together with the query-shipping strategy, this achieves efficiency and scalability in order to analyze huge databases. While we demonstrate the usefulness of our solution in the context of the early indicator method, the approach is generally applicable and useful for any integrated, comprehensive KDD system. Copyright © 1997, American Association for Artificial Intelligence (***). All rights reserved.

关键词： Query processing

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Managed Software Evolution 1

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1000年

作者： Ralf Reussner Jan Keim Michael Goedicke Wilhelm Hasselbring Birgit Vogel-Heuser Lukas Märtin

ISBN: (数字)9783030134990

ISBN: (纸本)9783030134983;9783030135010

This open access book presents the outcomes of the “Design for Future – Managed Software Evolution” priority program 1593, which was launched by the German Research Foundation (“Deutsche Forschungsgemeinschaft (DFG)”) to develop new approaches to software engineering with a specific focus on long-lived software systems. The different lifecycles of software and hardware platforms lead to interoperability problems in such systems. Instead of separating the development, adaptation and evolution of software and its platforms, as well as aspects like operation, monitoring and maintenance, they should all be integrated into one overarching process.;Accordingly, the book is split into three major parts, the first of which includes an introduction to the nature of software evolution, followed by an overview of the specific challenges and a general introduction to the case studies used in the project. The second part of the book consists of the main chapters on knowledge carrying software, and cover tacit knowledge in software evolution, continuous design decision support, model-based round-trip engineering for software product lines, performance analysis strategies, maintaining security in software evolution, learning from evolution for evolution, and formal verification of evolutionary changes. In turn, the last part of the book presents key findings and spin-offs. The individual chapters there describe various case studies, along with their benefits, deliverables and the respective lessons learned. An overview of future research topics rounds out the coverage.;The book was mainly written for scientific researchers and advanced professionals with an academic background. They will benefit from its comprehensive treatment of various topics related to problems that are now gaining in importance, given the higher costs for maintenance and evolution in comparison to the initial development, and the fact that today, most software is not developed from scratch, but as part of a c

关键词： Software Engineering Software Management Management of Computing and Information Systems Theory of Computation

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Ernst Denert Award for Software Engineering 2020 1

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1000年

作者： Michael Felderer Wilhelm Hasselbring Heiko Koziolek Florian Matthes Lutz Prechelt Ralf Reussner Bernhard Rumpe Ina Schaefer

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Component-Based Software Engineering 1

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丛书名： Lecture Notes in Computer Science

1000年

作者： Lars Grunske Ralf Reussner Frantisek Plasil

ISBN: (数字)9783642132384

ISBN: (纸本)9783642132377

The 2010 Symposium on Component-Based Software Engineering (CBSE 2010) was the 13th in a series of successful events that have grown into the main forum for industrial and academic experts to discuss component technology. CBSE is concerned with the development of software-intensive systems from - dependently developed software-building blocks (components), the development of components, and system maintenance and improvement by means of com- nent replacement and customization. The aim of the conference is to promote a science and technology foundation for achieving predictable quality in software systems through the use of software component technology and its associated software engineering practices. In line with a broad interest, CBSE 2010 received 48 submissions. From these submissions, 14 were accepted after a careful peer-review process followed by an online program committee discussion. This resulted in an acceptance rate of 29%. The selected technical papers are published in this volume. For the fourth time, CBSE 2010 was held as part of the conference series: Fed- ated Events on Component-Based Software Engineering and Software Archit- ture (COMPARCH). The federated events were: the 13th International S- posium on Component-Based Software Engineering (CBSE 2010), the 6th - ternational Conference on the Quality of Software Architectures (QoSA 2010), andthe1stInternationalSymposium onArchitecting CriticalSystems(ISARCS 2010). Together with COMPARCH’s Industrial Experience Report Track and the co-located Workshop on Component-Oriented programming (WCOP 2010), COMPARCH provided a broad spectrum of events related to components and architectures.

关键词： Software Engineering/programming and Operating Systems Software Engineering Logics and Meanings of programs programming Languages, Compilers, Interpreters Computer Communication Networks programming Techniques

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Ernst Denert Award for Software Engineering 2019 1

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1000年

作者： Michael Felderer Wilhelm Hasselbring Heiko Koziolek Florian Matthes Lutz Prechelt Ralf Reussner Bernhard Rumpe Ina Schaefer

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